Skip to main content
Livermore
Livermore
ZHEN

Mairs & Power Inc

SEC CIK
0001070134
Latest filing
Aug 14, 2026

TECH holding history

BIO-TECHNE Corp in every 13F filed by Mairs & Power Inc, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

TECH overviewAll 13F holders of TECHFull Q2 2026 holdings

Shares (Q2 2026)
2,700,698
Value
$190.8M
% of portfolio
1.8%
Quarters held
22
Since Q1 2021
Holdings of TECH by Mairs & Power Inc, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20262,700,698$190.8M1.8%−49,584−1.8%ReducedHolders
Q1 20262,750,282$143.7M1.5%−17,257−0.6%ReducedHolders
Q4 20252,767,539$162.8M1.6%−39,870−1.4%ReducedHolders
Q3 20252,807,409$156.2M1.5%+91,031+3.4%AddedHolders
Q2 20252,716,378$139.8M1.4%+64,585+2.4%AddedHolders
Q1 20252,651,793$155.5M1.6%−21,975−0.8%ReducedHolders
Q4 20242,673,768$192.6M1.9%−23,028−0.9%ReducedHolders
Q3 20242,696,796$215.6M2.0%−43,596−1.6%ReducedHolders
Q2 20242,740,392$196.3M1.9%−218,965−7.4%ReducedHolders
Q1 20242,959,357$208.3M2.0%−120,126−3.9%ReducedHolders
Q4 20233,079,483$237.6M2.5%+25,903+0.8%AddedHolders
Q3 20233,053,580$207.9M2.4%−6,058−0.2%ReducedHolders
Q2 20233,059,638$249.8M2.7%+33,660+1.1%AddedHolders
Q1 20233,025,978$224.5M2.6%+214,948+7.6%AddedHolders
Q4 20222,811,030$233.0M2.8%+116,550+4.3%AddedConverted for a 4-for-1 splitHolders
Q3 2022673,620$191.3M2.4%+17,690+2.7%AddedHolders
Q2 2022655,930$227.4M2.7%−2,032−0.3%ReducedHolders
Q1 2022657,962$284.9M2.9%+4,147+0.6%AddedHolders
Q4 2021653,815$338.2M3.1%−8,819−1.3%ReducedHolders
Q3 2021662,634$321.1M3.2%−66,202−9.1%ReducedHolders
Q2 2021728,836$328.2M3.2%−41,199−5.4%ReducedHolders
Q1 2021770,035$294.1M3.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.